21302111202 has 16 divisors (see below), whose sum is σ = 42606138432. Its totient is φ = 7100384400.

The previous prime is 21302111191. The next prime is 21302111221. The reversal of 21302111202 is 20211120312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93723 + ... + 226689.

It is an arithmetic number, because the mean of its divisors is an integer number (2662883652).

Almost surely, 2^21302111202 is an apocalyptic number.

21302111202 is an abundant number, since it is smaller than the sum of its proper divisors (21304027230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21302111202 is a wasteful number, since it uses less digits than its factorization.

21302111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159673.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 21302111202 its reverse (20211120312), we get a palindrome (41513231514).

The spelling of 21302111202 in words is "twenty-one billion, three hundred two million, one hundred eleven thousand, two hundred two".